Flange Butterfly Valves factory

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DESIGN FEATURES: • Seat faces lapped for smooth finish and superior sealing. • Swivel disc for optimal seating and longer seat life. • Stems of hand wheel operated valves are rotating / rising design. • Each valve is shell, seat and backseat pressure tested per industry standard API 598. • Gland is two piece gland / gland flange design for optimal alignment and uniform packing compression. •Alternate valve materials such as chrome and stainless steel alloys -Alternate trim materials -Bypass, drain and other auxiliary connections -Gear, motor, and cylinder actuators available •NACE service •Special cleaning for applications such as oxygen or chlorine Rate Range:Class 150 to Class 2500 Size Range:2″ to 24″ Materials:CF8/CF8M/CF3/CF3M/duplex stainless steel/alloy Operation:wheel/Bevel Gear/Air Cylinder/Hydraulic Cylinder/Electric actuator Type:BOLTED BONNET/Pressure Seal Design Specifications: Wall thickness: BS1873/API603/ASME B16.34 Pressure-temperature ratings:ASME B16.34 General valve design:BS1873/API623/B16.34 End to End dimensions:ASME B16.10 Flange design:ASME B16.5 Butt weld design:ASME B16.25 Materials:ASTM Guanli Valve is well-known as one of the largest flanged stainless steel globe valves manufacturers and suppliers in China. We have been focused on various valves since 1992 and owned good reputation. Please rest assured to buy the quality valves in stock from our factory.Flange Butterfly Valves factory website:http://www.guanli-valve.com/